Multipath time-delay detection and estimation
Abstract
A transmitted and known signal is observed at the receiver through more than one path in additive noise. The problem is to estimate the number of paths and, for each of them, the associated attenuation and delay. We propose a deconvolution approach with an additive regularization term built around an l/sub 1/ norm. The underlying optimization problem is transformed into a quadratic program and is, thus, easily and quickly solved by standard programs. The procedure is able to handle more severe conditions than previous methods.
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Time Delay Estimation in Room Acoustic Environments: An Overview
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- Authors
- Fuchs, J.-J.
- Affiliations
- Institut de Recherche en Informatique et Systèmes Aléatoires (FR)
- Corresponding author
- Fuchs, J.-J.
- Venue
- IEEE Transactions on Signal Processing
- Published
- 1999
- Volume
- 47
- Issue
- 1
- Pages
- 237-243
- ISSN
- 1053-587X (ISSN-L)
- OpenAlex
- W2131222639
- Cited by
- 107
- References
- 11
- Citations by year
- 2025: 1 · 2024: 1 · 2023: 3 · 2022: 2 · 2021: 2 · 2020: 4 · 2019: 5 · 2018: 4 · 2017: 3 · 2016: 2 · 2015: 7 · 2014: 6 · 2013: 4 · 2012: 4
- FWCI
- 4.37
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- IEEE Transactions on Signal Processing (publishedVersion)
- Topics
- Physical Sciences › Mathematics › Mathematical Physics › Numerical methods in inverse problems
- Physical Sciences › Engineering › Computational Mechanics › Sparse and Compressive Sensing Techniques
- Physical Sciences › Engineering › Aerospace Engineering › Radar Systems and Signal Processing
- Keywords
- multipath channels, time delay estimation, deconvolution, L1 regularization, quadratic programming, additive noise
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